A Johnstown man convicted of murdering his wife more than two decades ago continues his fight for a new trial.Kevin Siehl was back in Federal Court on Wednesday with his Attorneys for an evidence hearing.He was convicted of killing his wife Christine in 1991 but has maintained his innocence since his arrest.A Judge reviewed the effectiveness of his Public Defender during his original trial at the hearing yesterday.A new trial could be granted if the Judge finds fault with his Attorney.He is also fighting his conviction at the State level.